4- Topography of Thorax PDF - King Salman International University
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King Salman International University
2024
Hany Shawky, Usama Hussein
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Summary
These lecture notes cover the topography of the thorax, including the thoracic wall, thoracic cavity, lungs, mediastinum, and heart. The document is organized by lecture objectives, providing a structured overview of the key anatomical features. Diagrams and figures are included to illustrate the material.
Full Transcript
Field of Medicine Medicine And Surgery Program 4- Topography of Thorax Prof. Hany Shawky Date : 9 / 12 /2024 Prof. Usama Hussein Lecture Objectives 1. Thoracic wall a. Bony cage b. Intercostal muscles c. Diaphragm 2. Thoracic cavity a. Lungs b. Medias...
Field of Medicine Medicine And Surgery Program 4- Topography of Thorax Prof. Hany Shawky Date : 9 / 12 /2024 Prof. Usama Hussein Lecture Objectives 1. Thoracic wall a. Bony cage b. Intercostal muscles c. Diaphragm 2. Thoracic cavity a. Lungs b. Mediastinum c. Heart Thoracic Cage 1 Manubrium 2 sternal angle (angle of Louis) true ribs 3 Body 4 costal cartilage 5 4 6 5 7 Xiphoid process 8 false ribs 9 10 floating ribs 11 12 Thoracic Cage body vertebral vertebral arch foramen transverse process intervertebral disc spine Intercostal Spaces 3 Intercostal muscles External Internal Innermost Intercostal nerves and vessels Neurovascular plane Thoracic Openings apex of lung E T thoracic inlet A V thoracic outlet Diaphragm Central tendon major openings caval (T8) Esophageal (T10) aortic (T12) Pleura & Lungs apex costal s. 2 fissure + 3 lobes 1 fissure + 2 lobes med.s. cardiac notch lingula base smaller, narrower, longer Pleura & Lungs root hilum Pleura & Lungs 2 layers of pleura pleura Mediastinum 12 Mediastinum Subdivisions & boundaries By imaginary plane from sternal angle to lower border of T4 Superior Inferior 4 o Anterior o Middle (heart inside pericardium + attaches great vessels) o Posterior Rt. + Lt. innominate vs. arch Thymus + gland vagus n. S.V.C. ascending aorta pericardium + + heart phrenic n. pulmonary trunk trachea lt. subclavian a. (end T4) innominate a. lt. common carotid a. thoracic duct esophagus azygos v. I.V.C. descending aorta. trachea.sup..esophagus.sup. + post..ascending aorta.middle.arch of aorta.sup..descending aorta.post..IVC.middle.Heart.middle.thoracic duct.sup. + post.
